Soak the cod in water for 72 hours, changing the water constantly to remove all the salt.
Place slices on a kitchen towel to drain.
Fry the garlic and Sierra de Gata olive oil in a clay pot, ensuring that the oil covers the slices of cod halfway. Before the garlic turns golden, remove the pot from the heat and take the garlic out of the oil, allowing it to cool.
When it is cool, add pieces of cod with the skin facing up and return to low heat, making sure it doesn't boil and continuously moving the pot to thicken the sauce (which forms as the cod releases gelatin) and prevent the cod from sticking. After a while, remove the pot from the heat and let it rest. When the oil is warm, put it back on the heat and repeat this two or three more times until the desired point is reached.
Nutritional Information
* * Information per 100g serving, percentage of daily values based on a 2,000 calorie diet.
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